A novel phase-locked-loop and its application in STATCOM system

  title={A novel phase-locked-loop and its application in STATCOM system},
  author={Lei Shi and Mariesa L. Crow},
  journal={North American Power Symposium 2010},
Phase-Locked-Loop (PLL) plays important role in grid connected power electronics system. A good PLL system can detect the grid phase angle and frequency fast and accurately, and additionally it can extract the positive sequence exactly. In real applications, source signal (voltage or current) usually includes harmonic distortion, unbalanced components. Conventional PLL strategy cannot solve the unbalanced and harmonic distortion problems. Different PLL solutions are proposed in literature in… CONTINUE READING


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